# Contributor: William Pitcock <nenolod@dereferenced.org>
# Maintainer: Timo Teräs <timo.teras@iki.fi>
pkgname=musl
pkgver=1.0.0
pkgrel=11
pkgdesc="the musl c library (libc) implementation"
url="http://www.musl-libc.org/"
arch="all"
license="MIT"
depends=""
depends_dev="!uclibc-dev"
makedepends="$depends_dev"
install=""
subpackages="$pkgname-dev $pkgname-utils"
[ "${CTARGET#*musl}" = "$CTARGET" ] && subpackages="$subpackages musl-gcc:crosstool"
source="http://www.musl-libc.org/releases/musl-$pkgver.tar.gz
	0001-v1.0.0-to-2b74315d.patch
	0002-2b74315d-to-b9b2db2f.patch
	0003-b9b2db2f-to-e94d0692.patch
	0004-e94d0692-to-83c98aac.patch

	1001-add-basic-dns-record-parsing-functions.patch
	1002-reimplement-if_nameindex-and-getifaddrs-using-netlin.patch

	getopt_long.c
	__stack_chk_fail_local.c
	getconf.c
	getent.c
	"

_builddir="$srcdir"/musl-$pkgver
prepare() {
	local i
	cd "$_builddir"
	for i in $source; do
		case $i in
		*.patch) msg $i; patch -p1 -i "$srcdir"/$i || return 1;;
		esac
	done

	# use GNU compatible getopt() from BSD
	rm -f src/misc/getopt*.c
	cp "$srcdir"/getopt_long.c src/misc/

	# remove libintl wrappers that we don't want
	rm src/locale/intl.c include/libintl.h
}

install_sysroot_headers() {
	cd "$_builddir"
	if [ -z "${CBUILDROOT}" ]; then
		echo "CBUILDROOT not must be set!"
		return 1
	fi
	case "$CARCH" in
	arm*) ARCH="arm" ;;
	x86) ARCH="i386" ;;
	x86_64) ARCH="x86_64" ;;
	esac
	make ARCH="$ARCH" prefix=/usr DESTDIR="${CBUILDROOT}" install-headers || return 1
}

build() {
	cd "$_builddir"

	# provide minimal libssp_nonshared.a so we don't need libssp from gcc
	${CROSS_COMPILE}gcc $CPPFLAGS $CFLAGS -c "$srcdir"/__stack_chk_fail_local.c -o __stack_chk_fail_local.o || return 1
	${CROSS_COMPILE}ar r libssp_nonshared.a __stack_chk_fail_local.o || return 1

	# getconf/getent
	${CROSS_COMPILE}gcc $CPPFLAGS $CFLAGS "$srcdir"/getconf.c -o getconf || return 1
	${CROSS_COMPILE}gcc $CPPFLAGS $CFLAGS "$srcdir"/getent.c -o getent || return 1

	# note: not autotools
	LDFLAGS="$LDFLAGS -Wl,-soname,libc.musl-${CARCH}.so.1" \
	./configure \
		--host=$CHOST \
		--prefix=/usr \
		--sysconfdir=/etc \
		--mandir=/usr/share/man \
		--infodir=/usr/share/info \
		--localstatedir=/var \
		|| return 1
	make || return 1
}

package() {
	cd "$_builddir"
	make DESTDIR="$pkgdir" install || return 1
	rm -f "$pkgdir"/usr/lib/*.la

	cp libssp_nonshared.a "$pkgdir"/usr/lib || return 1

	# make LDSO the be the real file, and libc the symlink (will be upstream change)
	local LDSO=$(make -f Makefile --eval "$(echo -e 'print-ldso:\n\t@echo $$(basename $(LDSO_PATHNAME))')" print-ldso)
	mv -f "$pkgdir"/usr/lib/libc.so "$pkgdir"/lib/"$LDSO" || return 1
	ln -sf "$LDSO" "$pkgdir"/lib/libc.musl-${CARCH}.so.1 || return 1
	ln -sf ../../lib/"$LDSO" "$pkgdir"/usr/lib/libc.so || return 1
	mkdir -p "$pkgdir"/usr/bin
	ln -sf ../../lib/"$LDSO" "$pkgdir"/usr/bin/ldd || return 1
}

utils() {
	replaces="uclibc-utils"
	mkdir -p "$subpkgdir"/usr/bin "$subpkgdir"/sbin
	mv "$pkgdir"/usr/bin/ldd "$subpkgdir"/usr/bin
	find "$pkgdir" -type d -delete 2>/dev/null
	install -D "$_builddir"/getent "$subpkgdir"/usr/bin/getent
	install -D "$_builddir"/getconf "$subpkgdir"/usr/bin/getconf
	cat <<EOF > "$subpkgdir"/sbin/ldconfig
#!/bin/sh
exit 0
EOF
}

crosstool() {
	mkdir -p "$subpkgdir"/usr/bin "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/bin/musl-gcc "$subpkgdir"/usr/bin
	mv "$pkgdir"/usr/lib/musl-gcc.specs "$subpkgdir"/usr/lib
	find "$pkgdir" -type d -delete 2>/dev/null
}

md5sums="e54664fdf211d27737e328c4462b545e  musl-1.0.0.tar.gz
d081fc3424229c639e636be2dd00d221  0001-v1.0.0-to-2b74315d.patch
48fa02a48a33bbcb8149edf6540d02f9  0002-2b74315d-to-b9b2db2f.patch
d0a6498cede60e70c468d9a44b968abe  0003-b9b2db2f-to-e94d0692.patch
1bd1787e961189215e0a60e9ed863529  0004-e94d0692-to-83c98aac.patch
a3810683ef61ac27e2f6ec9801280c81  1001-add-basic-dns-record-parsing-functions.patch
83c3bd2a50b1de5ef948704d3f4e0583  1002-reimplement-if_nameindex-and-getifaddrs-using-netlin.patch
61c6c1e84ed1df82abbe6d75e90cf21c  getopt_long.c
0df687757221bbb0fc1aa67f1bd646f9  __stack_chk_fail_local.c
7b391300396e58fe9073866b5a80cfe8  getconf.c
2b941c4251cac44988a4abfc50e21267  getent.c"
sha256sums="1ad7f45d2972daff19c9e6a92714e6d70f4aad003cd8c3d1e6113432114c1a32  musl-1.0.0.tar.gz
aa632b635d472d5a6a49800899ce34cddc89a63a489690faa683d08622b9cd60  0001-v1.0.0-to-2b74315d.patch
edc0cebaabd16f894d91c1860bfb70d3f2d9a70cf558c5455689610374447f7d  0002-2b74315d-to-b9b2db2f.patch
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758390768b1bc4159d56908ca332b9640cd0552ed3b4b2b8d4a6d499c54c11a1  1001-add-basic-dns-record-parsing-functions.patch
1c25880095e869b827f02997e864fdf4bf157a4e923e52d97dbd05e657aedb70  1002-reimplement-if_nameindex-and-getifaddrs-using-netlin.patch
d9b644ec20bc33e81a7c52b9fcf7973d835923a69faf50f03db45534b811bd96  getopt_long.c
299a7d75a09de3e2e11e7fb4acc3182e4a14e868093d2f30938fce9bfcff13da  __stack_chk_fail_local.c
530ea449f93d53fafcb377fa0a23a7564f2961e49c07a8fdef6c960110317301  getconf.c
68373a55e89ce85c562d941ccf588337d6cc6c9c17689d695f65cd7607134bbe  getent.c"
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